md-cms/index.php

<?PHP
/**
 * The main display file for standalone pages.
 *
 * @author Joshua Ramon Enslin <joshua@jrenslin.de>
 */

// Check validity of request.

if (isset($_GET['id']) and !file_exists(__DIR__ . "/data/static/" . $_GET['id'] . ".json")) {
    echo printErrorPage("File does not exist.");
    return;
}

// Include functions and settings.

require __DIR__ . "/inc/functions.php";

// Ensure working environment for frontend.

ensureEnvironment();
$pages = loadPublicPages();           // Load overview of pages.

/*
 * Load data.
 */



/*
 * @var array $tPage The variable contains the main data on the displayed page.
 */
$tPage = [];

if (isset($_GET['id'])) $id = $_GET['id'];
else if (file_exists(__DIR__ . "/data/static/" . $settings['startPage'] . ".json")) {
    $id = $settings['startPage'];
}
else {
    echo printErrorPage("This file does not exist.");
    return;
}

$tPage = json_decode(file_get_contents(__DIR__ . "/data/static/" . $id . ".json"), true);

if (!$tPage['public']) {
    if (!(isset($_GET['preview']) and checkPreviewAccess())) {
        echo printErrorPage("This page is not public."); return;
    }
}

/*
 * Output
 */

echo printPublicHead($id, $settings['pageTitle'], $settings['logo']);
echo printPublicHeader($settings['pageTitle']);
echo printStaticPagePart("banner", "header"); // Print aside (if need be)

echo '<nav>';
echo buildPageOrder(
    $pages,
    function() {
        return "<ul>";
    },
    function() {
        return "</ul>";
    },
    function($inputs, string $toAdd) {
        $output = "
        <li";
        if (!$inputs['public']) $output .= " class='notPublic'";
        $output .= ">
            <a href='./?id=" . $inputs['id'] . "'>" . $inputs['title'] . "</a>
            $toAdd
        </li>
        ";
        return $output;
    }
);
echo '</nav>';

echo '
<div id="mainWrapper">
';

// Print main content
echo '
    <main>';

echo '<h1>' . $tPage['title'] . '</h1>';
echo checkForEmbeds($tPage['content']);

echo '
    </main>
';

echo printStaticPagePart("aside", "aside"); // Print aside (if need be)

echo '
</div>';

echo printStaticPagePart("footer", "footer"); // Print footer (if need be)

echo printPublicEnd();

?>